EP0882213A1 - Three-dimensional lateral displacement display - Google Patents
Three-dimensional lateral displacement displayInfo
- Publication number
- EP0882213A1 EP0882213A1 EP96937638A EP96937638A EP0882213A1 EP 0882213 A1 EP0882213 A1 EP 0882213A1 EP 96937638 A EP96937638 A EP 96937638A EP 96937638 A EP96937638 A EP 96937638A EP 0882213 A1 EP0882213 A1 EP 0882213A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- display
- aircraft
- navigation
- centerline
- symbol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C23/00—Combined instruments indicating more than one navigational value, e.g. for aircraft; Combined measuring devices for measuring two or more variables of movement, e.g. distance, speed or acceleration
- G01C23/005—Flight directors
Definitions
- the invention computes and then displays a course centerline which extends toward a vanishing point near the horizon line of the display.
- the centerline symbol is intended to simulate the appearance of a course centerline which is drawn on the earth's surface, hence the term "conformal to the earth".
- the centerline can also be displayed in a perspective view thereby further simulating a conformal centerline.
- lateral deviation marks Another element of the invention are the lateral deviation marks. These marks provide a scale for determining the lateral deviation from the course or centerline.
- the preferred embodiment uses two deviation marks located on each side of the aircraft symbol. During an ILS approach these marks represent one and two degrees of lateral deviation from the course centerline.
- objects of the invention are to provide an intuitive display to communicate three dimensional situational data to a pilot, simplify aircraft navigation, reduce pilot workload and increase aircraft safety.
- a feature ofthe invention is a moving extended course centerline which is conformal to a virtual earth surface.
- Figure 1 is a block diagram ofthe invention and various aircraft systems.
- Figure 6B illustrates the lateral displacement distance calculations used in the preferred embodiment.
- Figure 6D illustrates the centerline and deviation mark coordinate calculations used in the preferred embodiment.
- FIG. 1 is a block diagram ofthe invention and various aircraft systems. Shown in figure 1 are display 10, symbol generator 1 1, air data computer 12. Navigation system 13. mode panel 14 and radio altimeter 15.
- display 10 is a head-up display as shown. Elements of display 10 include overhead unit 10A, brightness control 10B and combiner 10C(also generically referred to as display screen 1 OC).
- the invention is not limited to head-up displays.
- the invention is adaptable to essentially any display including, but not limited to helmet mounted displays, CRTs displays, LCD displays and plasma displays.
- Aircraft symbol 22 is a standard aircraft reference symbol. Symbol 22 remains in essentially a fixed position on display screen IOC as is standard in the art. Aircraft symbol 22 does, however, rotate during banking maneuvers.
- Deviation marks 23 provide a reference scale for indicating either an angular or distance deviation from centerline 21.
- deviation marks 23 represent one degree and two degrees of deviation from either side of the localizer signal. During cruise the deviation marks represent 1000 feet and 2000 feet of lateral displacement from the course. Deviation marks 23 are shown in the preferred perspective view. In this embodiment deviation marks 23 are depicted as portions of deviation lines extending toward vanishing point 24. To reduce clutter only the portions ofthe deviation lines adjacent the aircraft symbol 22 are displayed.
- phase of flight deviation marks are scaled to be representative of marks drawn on the earth. For example, at high altitudes the deviation marks 23 appear shorter and closer to aircraft symbol 22. As altitude decreases the deviation marks appear to lengthen and spread out from the aircraft symbol 22.
- Figure 6C illustrates the inverse slope calculations used in the preferred embodiment. Calculation of inverse slope( ⁇ ) is straight forward as shown in the figure using the results of the previous computations.
- Figure 6D illustrates the centerline and deviation mark coordinate calculations used in the preferred embodiment. As discussed above, these are similar to the calculations used in the prior art to implement a perspective view runway.
- the coordinates for the lateral deviation marks are computed in a similar manner except that lateral displacement is computed relative to the aircraft's position.
- the marks are positioned at one and two degrees of localizer deviation on each side ofthe aircraft.
- Variable width(i.e. perspective view) centerlines and deviation marks are achieved by adding(and subtracting) a correction factor to the inverse slope prior to calculating the x,y coordinates.
- computations for the width of the deviation marks is simplified by computing coordinates for a single line for each deviation mark and merely adding(and subtracting) a fixed correction factor to each coordinate to yield coordinates for the marks. This also has the desirable effect of fixed width deviation marks.
- navigational or positional signals are received. Typically these are ILS, MLS, GPS, VOR signals or the like.
- the navigational signals are inte ⁇ reted yielding aircraft position signals or data indicative of aircraft position relative to a desired course.
- Using the aircraft position signals to compute a centerline signal representative of a desired course centerline which is conformal to the earth(or virtual earth) surface and displaying a centerline symbol representative of the computed centerline signal on a display device.
- the method is enhanced by the addition of steps to display lateral deviation marks.
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Navigation (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/532,187 US5745863A (en) | 1995-09-22 | 1995-09-22 | Three dimensional lateral displacement display symbology which is conformal to the earth |
US532187 | 1995-09-22 | ||
PCT/US1996/015149 WO1997011335A1 (en) | 1995-09-22 | 1996-09-20 | Three-dimensional lateral displacement display |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0882213A1 true EP0882213A1 (en) | 1998-12-09 |
EP0882213B1 EP0882213B1 (en) | 2001-12-05 |
Family
ID=24120720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96937638A Expired - Lifetime EP0882213B1 (en) | 1995-09-22 | 1996-09-20 | Three-dimensional lateral displacement display |
Country Status (5)
Country | Link |
---|---|
US (1) | US5745863A (en) |
EP (1) | EP0882213B1 (en) |
DE (1) | DE69617745T2 (en) |
RU (1) | RU2173660C2 (en) |
WO (1) | WO1997011335A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3306593A1 (en) * | 2016-10-06 | 2018-04-11 | Honeywell International Inc. | Method and system for determining effective approach angle and predicting aircraft landing distance |
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US7463954B1 (en) | 2004-11-29 | 2008-12-09 | Honeywell International Inc. | Terrain augmented display symbology |
US7212216B2 (en) * | 2005-06-29 | 2007-05-01 | Honeywell International, Inc. | Perspective view primary flight display with terrain-tracing lines and method |
US8812181B2 (en) | 2005-06-29 | 2014-08-19 | Honeywell International Inc. | Methods and systems to accurately display lateral deviation symbology in offset approaches to runways |
DE112006001864T5 (en) * | 2005-07-14 | 2008-06-05 | GM Global Technology Operations, Inc., Detroit | System for monitoring the vehicle environment from a remote perspective |
US20070085860A1 (en) * | 2005-10-13 | 2007-04-19 | Honeywell International Inc. | Technique for improving the readability of graphics on a display |
US7403133B2 (en) * | 2005-10-13 | 2008-07-22 | Honeywell International, Inc. | Dynamic primary flight displays for unusual attitude conditions |
US7908078B2 (en) * | 2005-10-13 | 2011-03-15 | Honeywell International Inc. | Perspective-view visual runway awareness and advisory display |
US7471214B2 (en) * | 2005-10-13 | 2008-12-30 | Honeywell International Inc. | Intuitive wind velocity and direction presentation |
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FR2897593B1 (en) * | 2006-02-17 | 2012-09-14 | Airbus France | METHOD AND SYSTEM FOR PREDICTING THE POSSIBILITY OF COMPLETELY STOPPING AN AIRCRAFT ON A LANDING TRAIL. |
EP1835260B1 (en) * | 2006-03-13 | 2017-02-01 | Honeywell Inc. | Terrain augmented display symbology |
US8027756B2 (en) * | 2006-12-07 | 2011-09-27 | The Boeing Company | Integrated approach navigation system, method, and computer program product |
US7772994B2 (en) * | 2007-01-11 | 2010-08-10 | Honeywell International Inc. | Aircraft glide slope display system and method |
US7962253B1 (en) * | 2007-01-24 | 2011-06-14 | Rockwell Collins, Inc. | Integrated barometric altitude and satellite altitude-based vertical navigation system |
EP3217148B1 (en) * | 2007-12-21 | 2019-04-10 | BAE SYSTEMS plc | Apparatus and method for landing a rotary wing aircraft |
US8519997B2 (en) * | 2008-09-23 | 2013-08-27 | Honeywell International Inc. | Apparatus and method for display and functionality of a vehicle display system cursor control device |
FR2947083B1 (en) * | 2009-06-23 | 2011-11-11 | Thales Sa | DEVICE AND METHOD FOR LANDFILLING |
US8184020B2 (en) * | 2009-07-29 | 2012-05-22 | Honeywell International Inc. | Method and system displaying a flight path to intercept an ILS glide path |
RU2585260C2 (en) * | 2011-02-08 | 2016-05-27 | Федеральное государственное образовательное учреждение высшего профессионального образования Московский государственный технический университет гражданской авиации | Method for spatial orientation of aircraft pilots during landing |
US8589071B2 (en) | 2011-08-15 | 2013-11-19 | Honeywell International Inc. | Aircraft vision system including a runway position indicator |
ES2531419T3 (en) * | 2011-09-21 | 2015-03-13 | Boeing Co | An aircraft speed guide screen |
US8868265B2 (en) | 2011-11-30 | 2014-10-21 | Honeywell International Inc. | System and method for aligning aircraft and runway headings during takeoff roll |
US9165366B2 (en) | 2012-01-19 | 2015-10-20 | Honeywell International Inc. | System and method for detecting and displaying airport approach lights |
FR2988202B1 (en) * | 2012-03-13 | 2015-05-15 | Thales Sa | NAVIGATION ASSISTANCE METHOD FOR MONITORING LINEAR OR ANGULAR NAVIGATION PERFORMANCE |
FR2990528B1 (en) * | 2012-05-11 | 2015-12-25 | Airbus Operations Sas | METHOD FOR CONTROLLING THE CONTROL OF AN AIRCRAFT |
US9222800B1 (en) * | 2012-08-06 | 2015-12-29 | Rockwell Collins, Inc. | Taxi information presentation system, device, and method |
US9129521B2 (en) | 2013-05-29 | 2015-09-08 | Honeywell International Inc. | System and method for displaying a runway position indicator |
US11004347B1 (en) * | 2020-01-15 | 2021-05-11 | Rockwell Collins, Inc. | Looming ball pilot guidance and cuing symbology |
FR3110985A1 (en) * | 2020-05-29 | 2021-12-03 | Airbus | HUMAN-MACHINE INTERFACE OF AN AIRCRAFT IN THE TAKE-OFF OR LANDING PHASE |
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-
1995
- 1995-09-22 US US08/532,187 patent/US5745863A/en not_active Expired - Lifetime
-
1996
- 1996-09-20 WO PCT/US1996/015149 patent/WO1997011335A1/en active IP Right Grant
- 1996-09-20 RU RU98107637/28A patent/RU2173660C2/en not_active IP Right Cessation
- 1996-09-20 EP EP96937638A patent/EP0882213B1/en not_active Expired - Lifetime
- 1996-09-20 DE DE69617745T patent/DE69617745T2/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9711335A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3306593A1 (en) * | 2016-10-06 | 2018-04-11 | Honeywell International Inc. | Method and system for determining effective approach angle and predicting aircraft landing distance |
US10325507B2 (en) | 2016-10-06 | 2019-06-18 | Honeywell International Inc. | Method and system for determining effective approach angle and predicting aircraft landing distance |
Also Published As
Publication number | Publication date |
---|---|
EP0882213B1 (en) | 2001-12-05 |
US5745863A (en) | 1998-04-28 |
WO1997011335A1 (en) | 1997-03-27 |
DE69617745T2 (en) | 2002-07-18 |
DE69617745D1 (en) | 2002-01-17 |
RU2173660C2 (en) | 2001-09-20 |
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